氮化學 的英文怎麼說
中文拼音 [dànhuàxué]
氮化學
英文
nitrogen chemistry-
So the effect of eutrophication of dianchi lake of sediment ca n ' t be ignored. based on the research of modern sediemnt of dianchi lake, the thesis is concerned about some physical and chemical characteristics ( including magnetic susceptibility, ammoniac nitrogen and effective phosphprus etc. ) and thermodynamics analysis of spontaneous mineral of iron
本論文主要以滇池現代沉積物為研究對象，對滇池現代沉積物的主要物理和化學性質（包括氨氮、有效磷、磁化率等） ，進行基礎性地分析研究並對滇池現代沉積物鐵的自生礦物進行了熱力學分析。It is possible to harness the versatile chemical properties of cyanogen azide.
氰化疊氮的靈活多變的化學性質是可控制的。Synthesis and nonlinear optical properties of novel azo compounds
新型偶氮化合物的合成及其非線性光學特徵In order to decrease expenditure and increase total economic efficiency, the key technique consisted of a complete sets of base fertilizer heavily, stabilizing n, increasing p and k, herbicide, coordinating of irrigation, fertilization and dpc regulation in first - flowering time, water - saving by furrow irrigation, simple pruning of cotton plants, chemical accelerating the ripening and so on
以重施基肥，穩氮增磷增鉀，化學除草，初花期水、肥、控同步，溝灌節水，簡化整枝及化學催熟等項技術組裝配套，達到節支省工，提高整體經濟效益。Synthesis and anion recognition properties of two novel tetraamide calix 4 crowns for optical anion sensor
氮雜冠醚的合成及對陰離子的光化學傳感性質研究Cubic boron nitride ( cbn ) is a synthesized wide - band - gap iii - v compound semiconductor and has lots of excellent physical and chemical properties. it has been attracted a nice bit of attention for years because of its application in mechanics, calorifics, optics and electronics
立方氮化硼（ cbn ）是一種人工合成的寬帶隙-族化合物半導體材料，它有許多優異的物理化學性質，在力學、熱學、光學、電子學等方面有著非常誘人的應用前景，多年來一直吸引著國內外眾多研究者的興趣。Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation
為解釋微合金化50crv鋼強韌化機理，本文通過對不同淬火溫度，回火溫度，回火時間下的力學性能指標的對比及顯微分析，認為微合金元素的細化晶粒，馬氏體的回火分解，殘余奧氏體的轉變，第二相的沉澱析出共同決定了微合金鋼的強韌化情況，特別是由於微合金元素的存在，其細化晶粒及其碳氮化物的沉澱析出，導致鋼的良好的強韌性，並且如果工藝滿足第二相的沉澱析出強化大於回火馬氏體分解引起的軟化效應，會在硬度曲線中產生明顯的二次硬化現象。Chemical analysis for silicon carbide refractories - determination of ferric oxide - o - phenanthroline photometric method
碳化硅耐火材料化學分析方法鄰二氮雜菲光度法測定三氧化二鐵量Hydrogenated amorphous silicon nitride ( a - sinx : h ) films have been deposited by helicon wave plasma enhanced chemical vapor deposition ( hwp - cvd ), the effect of sih4 / n2 rate on the properties of the samples is systematically studied, and the critical experiment condition is obtained under which a - sinx : h films with different compositions are deposited
本工作採用螺旋波等離子體化學氣相沉積（ hwp - cvd ）方法制備了氫化非晶氮化硅（ a - sin _ x ： h ）薄膜，系統地研究了不同反應氣體配比對薄膜特性的影響，得到了沉積不同組分a - sin _ x ： h的典型實驗條件。The distribution of nitric oxide synthase ( nos ) in the rhabdophis tigrinus brain was studied by using reduced nicotinamide - adenine - dinucleotide phosphate ( nadph ) - diaphorase histochemistry
摘要運用nadph - d組織化學方法，對虎斑頸槽蛇腦的一氧化氮合酶進行了定位研究。Methods for chemical analysis of iron, steel and alloy - the indophenol blue photometric methods for the determination of nitrogen content after distillation separation
鋼鐵及合金化學分析方法蒸餾分離-靛酚藍光度法測定氮量Management of n in agricultural ecosystem is one of the most essential factors for agricultural sustainability. injudicious use of nitrogen fertilizer has induced a crucial environmental problem, which includes volatilization of nox to the atmosphere, acid rain, induced leaching of soil nutrients, changes in the global n cycle, and nitrate pollution of groundwater
農田生態系統中長期單一、過量偏施化學肥料特別是化學氮肥，造成農產品品質下降，肥料利用率低，不僅增加了農業生產成本，還嚴重污染環境，已成為農業可持續發展的一個重要制約因子。Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides - determination of iron content - kalium thiocyanate, 1, 10 - phenanthroline spectrophotometric method
稀土金屬及其氧化物中非稀土雜質化學分析方法鐵量的測定硫氰酸鉀1 ， 10 -二氮雜菲分光光度法Methods for chemical analysis of spodumenite and lepidolite concentrates - the o - phenanthroline photometric method for the determination of ferric oxide content
鋰輝石，鋰雲母精礦化學分析方法鄰二氮雜菲光度法測定三氧化二鐵量Electroless plating method is applied to metallize the aln sbstrate
應用化學鍍鎳的方法實現了氮化鋁的金屬化。Fertilizers - chemical analysis - determination of nitrogen - nitron gravimetric method for determination of nitrate nitrogen
肥料.第4部分:化學分析.第1節:氮含量測定.第1小節:硝酸鹽基氮硝酸氮重量測定法When vitamin c reacts with nitrite in acid it forms nitric oxide. however, the nitric oxide can diffuse into fat ; react with oxygen to form nitrosamine - generating chemicals
當維生素c在酸性環境下與亞硝酸鹽反應時，生成一氧化氮。然而，一氧化氮能夠擴散到脂肪中去；與氧反應生成會產生亞硝胺的化學物質。Chemical analysis of sulphuric acid and oleums. determination of nitrous nitrogen and nitric nitrogen
硫酸和發煙硫酸的化學分析.硝態氮的測定Chemical analysis of sulphuric acid and oleum. determination of ammoniacal nitrogen. spectrophotometric method
硫酸和發煙硫酸的化學分析.氨氮測定.分光光度法Lead as activator in the fluorescent powder ( 1 % lead by weight or less ) of discharge lamps when used as sun tanning lamps containing phosphors such as bsp ( basi2o5 : pb ) as well as when used as specialty lamps for diazo - printing reprography, lithography, insect traps, photochemical and curing processes containing phosphors such as sms ( sr, ba ) 2mgsi2o7 : pb )
第18點：仿日曬含磷（例如： bsp ）放電燈中螢光粉的鉛活化劑（鉛含量1 %以下） ，以及二氮化合物印刷、平版印刷復印、捕蟲器，光化學及硬化製程使用的含磷（例如： sms ）放電燈中螢光粉的鉛活化劑。分享友人